DP_PHY_CFG
writel(0x01, edp->edp + DP_PHY_CFG);
writel(0x05, edp->edp + DP_PHY_CFG);
writel(0x01, edp->edp + DP_PHY_CFG);
writel(0x09, edp->edp + DP_PHY_CFG);
writel(0x19, edp->edp + DP_PHY_CFG);
writel(0x18, edp->edp + DP_PHY_CFG);
writel(0x19, edp->edp + DP_PHY_CFG);